Oil-rich fish such as herring and mackerel are rich in omega 3 fatty acids, which have been proven to have significant health benefits, particularly with regard to maintaining a healthy heart. Oil-rich fish are quick and easy to prepare and, in addition to omega 3, contain valuable protein, vitamins and minerals. Other oil-rich species include sardinespilchards, anchovies, sprats and.

Oil-rich fish such as herring and mackerel are rich in omega 3 fatty acids, which have been proven to have significant health benefits, particularly with regard to maintaining a healthy heart. Oil-rich fish are quick and easy to prepare and, in addition to omega 3, contain valuable protein, vitamins and minerals. Other oil-rich species include sardinespilchards, anchovies, sprats and.